/*
 * Copyright 2014 Igor Maznitsa.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.igormaznitsa.jhexed.extapp.lookup;

public final class ChainLookup implements Lookup {

  private final Lookup[] chain;

  public ChainLookup(final Lookup... chain) {
    this.chain = chain.clone();
  }

  public Lookup[] getChain() {
    return this.chain.clone();
  }

  @Override
  public <T> T lookup(final Class<T> type, final Object ... args) {
    T result = null;
    for (final Lookup l : this.chain) {
      if (l != null) {
        result = l.lookup(type, args);
        if (result != null) {
          break;
        }
      }
    }
    return result;
  }

}
